From a37ec997eb9969be1b3e6cbdac54c328a2146bc5 Mon Sep 17 00:00:00 2001
From: Dave Greenberg <dave@civicrm.org>
Date: Sat, 3 Oct 2015 16:09:15 -0400
Subject: [PATCH] CRM-16725 - Add Preview PDF button to PDF Letter task so
 users can review PDF without creating activity.

----------------------------------------
* CRM-16725:
  https://issues.civicrm.org/jira/browse/CRM-16725
---
 CRM/Contact/Form/Task/PDFLetterCommon.php | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/CRM/Contact/Form/Task/PDFLetterCommon.php b/CRM/Contact/Form/Task/PDFLetterCommon.php
index 94f309254e..885b962ce2 100644
--- a/CRM/Contact/Form/Task/PDFLetterCommon.php
+++ b/CRM/Contact/Form/Task/PDFLetterCommon.php
@@ -171,6 +171,13 @@ class CRM_Contact_Form_Task_PDFLetterCommon {
 
     $buttons = array();
     if ($form->get('action') != CRM_Core_Action::VIEW) {
+      $buttons[] = array(
+        'type' => 'submit',
+        'name' => $form->_single ? ts('Preview PDF') : ts('Preview PDFs'),
+        'subName' => 'preview',
+        'icon' => 'zoomin',
+        'isDefault' => FALSE,
+      );
       $buttons[] = array(
         'type' => 'submit',
         'name' => $form->_single ? ts('Make PDF') : ts('Make PDFs'),
@@ -312,7 +319,7 @@ class CRM_Contact_Form_Task_PDFLetterCommon {
    */
   public static function postProcess(&$form) {
     list($formValues, $categories, $html_message, $messageToken, $returnProperties) = self::processMessageTemplate($form);
-
+    $buttonName = $form->controller->getButtonName();
     $skipOnHold = isset($form->skipOnHold) ? $form->skipOnHold : FALSE;
     $skipDeceased = isset($form->skipDeceased) ? $form->skipDeceased : TRUE;
 
@@ -345,7 +352,10 @@ class CRM_Contact_Form_Task_PDFLetterCommon {
       $html[] = $tokenHtml;
     }
 
-    self::createActivities($form, $html_message, $form->_contactIds);
+    // CRM-16725 Skip creation of activities if user is previewing their PDF letter(s)
+    if ($buttonName == '_qf_PDF_submit') {
+      self::createActivities($form, $html_message, $form->_contactIds);
+    }
 
     CRM_Utils_PDF_Utils::html2pdf($html, "CiviLetter.pdf", FALSE, $formValues);
 
-- 
2.25.1